Refreshing cluster info rejected – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch is unable to update its internal state about the cluster’s nodes and their attributes. This could be due to network issues, high cluster load, or node failures. To resolve this, you can try the following: 1) Check the network connectivity between the nodes. 2) Monitor the cluster’s load and scale it up if necessary. 3) Investigate the logs of the failing nodes for any signs of hardware or software issues. 4) Ensure that the cluster state is not too large, as this can cause refreshes to fail.

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This guide will help you check for common problems that cause the log ” refreshing cluster info rejected [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: cluster.

Log Context

Log “refreshing cluster info rejected [{}]” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

        public void onRejection(Exception e) {
            final boolean shutDown = e instanceof OpenSearchRejectedExecutionException
                && ((OpenSearchRejectedExecutionException) e).isExecutorShutdown();
            logger.log(shutDown ? Level.DEBUG : Level.WARN; "refreshing cluster info rejected [{}]"; reason; e);

     * Runs {@link InternalClusterInfoService#refresh()}; logging failures/rejections appropriately; and reschedules itself on completion.


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